package com.rocket.bedroom.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.rocket.bedroom.pojo.GradeEntity;

/**
 * @Author: 周毅
 * @ClassName:
 * @Description: TODO
 * @Date: Create in 17:43 2020/5/6
 * @ModifyBy:
 */
public interface IGradeService extends IService<GradeEntity> {
    int hasGradeName(String gradeName);

}
